1. METAL-CHELATING COMPOUND INVESTIGATED BY RAMAN SPECTROSCOPY. Authors: VASILE CHIŞ, N. LEOPOLD, L. SZABÓ, I.B. COZAR, A. PÎRNĂU.2. SPECTROSCOPIC INVESTIGATION OF SOME UO22+ POLYOXOMETALATE COMPLEXES. Authors: L. DAVID, A. MARCU, I.B. COZAR, D. COZMA, I. HAUER, N.L. MOGONEA.3. SPECTROSCOPIC STUDIES OF SOME METALLIC COMPLEXES WITH PHENYLALANINE AS LIGAND. Authors: A. BEBU, I.B. COZAR, L. MOGONEA, D. COZMA, CS. NAGY, L. DAVID.4. THERMOLUMINESCENCE PROPERTIES OF THE 0.5P2O5 - xBaO - (0.5-x)K2O GLASS SYSTEM. A POSSIBLE DOSIMETRIC MATERIAL. Authors: O. COZAR, I.B. COZAR.